testserver/patches/server/0086-Implement-PlayerLocaleChangeEvent.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Isaac Moore <rmsy@me.com>
Date: Tue, 19 Apr 2016 14:09:31 -0500
Subject: [PATCH] Implement PlayerLocaleChangeEvent


diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 0cf49517aae9a8d4eafc37dfe8d78304bfe7f8ec..c334989e52b589ba528844eabed314472ea1ce9d 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -1707,7 +1707,7 @@ public class ServerPlayer extends Player {
         return s;
     }
 
-    public String locale = "en_us"; // CraftBukkit - add, lowercase
+    public String locale = null; // CraftBukkit - add, lowercase // Paper - default to null
     public java.util.Locale adventure$locale = java.util.Locale.US; // Paper
     public void updateOptions(ServerboundClientInformationPacket packet) {
         // CraftBukkit start
@@ -1715,9 +1715,10 @@ public class ServerPlayer extends Player {
             PlayerChangedMainHandEvent event = new PlayerChangedMainHandEvent(this.getBukkitEntity(), getMainArm() == HumanoidArm.LEFT ? MainHand.LEFT : MainHand.RIGHT);
             this.server.server.getPluginManager().callEvent(event);
         }
-        if (!this.locale.equals(packet.language)) {
+        if (this.locale == null || !this.locale.equals(packet.language)) { // Paper - check for null
             PlayerLocaleChangeEvent event = new PlayerLocaleChangeEvent(this.getBukkitEntity(), packet.language);
             this.server.server.getPluginManager().callEvent(event);
+            new com.destroystokyo.paper.event.player.PlayerLocaleChangeEvent(this.getBukkitEntity(), this.locale, packet.language).callEvent(); // Paper
         }
         this.locale = packet.language;
         // Paper start
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index d20b4d4cb52e37356b553e5197d650472e03e5b2..3c8cc16ecf277390db3dbe112d0be6adf44e5b0c 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1897,8 +1897,10 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
 
     @Override
     public String getLocale() {
-        return this.getHandle().locale;
-
+        // Paper start - Locale change event
+        final String locale = this.getHandle().locale;
+        return locale != null ? locale : "en_us";
+        // Paper end
     }
 
     // Paper start